package com.xizi.tllqueue;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.time.LocalDateTime;

@Slf4j
@RequestMapping("ttl")
@RestController
public class SendMsgController {

    //注入RabbitTemplate
    @Autowired
    private RabbitTemplate rabbitTemplate;

    //生产者1
    @GetMapping("sendMsg/{message}")
    public void sendMsg(@PathVariable String message) {
        log.info("【当前时间：{},发送一条信息给两个 TTL 队列:{}】", LocalDateTime.now(), message);
        rabbitTemplate.convertAndSend("X", "XA", "消息来自 ttl 为 10S 的队列: " + message);
        rabbitTemplate.convertAndSend("X", "XB", "消息来自 ttl 为 40S 的队列: " + message);
    }

    //生产者2
    @GetMapping("sendExpirationMsg/{message}/{ttlTime}")
    public void sendMsg(@PathVariable String message, @PathVariable String ttlTime) {
        rabbitTemplate.convertAndSend("X", "XC", message, correlationData -> {
            correlationData.getMessageProperties().setExpiration(ttlTime);
            return correlationData;
        });
        log.info("【当前时间：{},发送一条时长{}毫秒 TTL 信息给队列 C:{}】", LocalDateTime.now(), ttlTime, message);
    }


    //延迟交换机名称
    public static final String DELAYED_EXCHANGE_NAME = "delayed.exchange";
    //延迟路由key
    public static final String DELAYED_ROUTING_KEY = "delayed.routingkey";

    @GetMapping("sendDelayMsg/{message}/{delayTime}")
    public void sendMsg(@PathVariable String message, @PathVariable Integer delayTime) {
        rabbitTemplate.convertAndSend(DELAYED_EXCHANGE_NAME, DELAYED_ROUTING_KEY, message, msg -> {
            // 发送消息的时候 延迟时长 单位 ms
            msg.getMessageProperties().setDelay(delayTime);
            return msg;
        });
        log.info("【当 前 时 间 ： {}, 发 送 一 条 延 迟 {} 毫秒的信息给队列 delayed.queue:{}】",LocalDateTime.now(), delayTime, message);
    }
}